Home / 19,671.32-29,509.89-6,339.85

Finding the Fourth Proportional to 19,671.32, 29,509.89 and 6,339.85

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Solution

The fourth proportional to 19,671.32, 29,509.89 and 6,339.85 is: 9,510.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,671.32 : 29,509.89 = 6,339.85 : x
  2. Step 2: Convert to fraction form
    19,671.32/29,509.89 = 6,339.85/x
  3. Step 3: Cross multiply
    19,671.32x = 29,509.89 × 6,339.85
  4. Step 4: Simplify right side
    19,671.32x = 187,088,276.12
  5. Step 5: Solve for x
    x = 187,088,276.12/19,671.32
  6. Step 6: Final answer
    x = 9,510.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.